To provide a flavor enhancer that can enhance a flavor of a flavoring agent, and a composition that has an enhanced flavor of a flavoring agent and is suitable for giving the flavor to food.SOLUTION: The present invention provides a flavor enhancer containing a lipophilic surfactant. There is also provided a composition containing the flavor enhancer and a flavor.SELECTED DRAWING: None【課題】香料の有する香味を増強し得る、香味増強剤、ならびに、香料の香味が増強され、食品に対する香味付与に好適に用い得る組成物を提供する。【解決手段】親油性界面活性剤を含有する香味増強剤とし、前記香味増強剤と香料とを含有する組成物とする。【選択図】なし